Earthworms MCQs Quiz Multiple Choice Questions & Answers

1. Annelids are

1. Radially symmetrical
2. Externally segmented
3. Triploblastic
4. Pseudocoelomate

2. Body of earthworm is divided into how many similar segments which are called metameres or somites?

1. 60 - 120
2. 100 - 120
3. 120 - 140
4. 120 or more

3. Chromophil cells in earthworm are concerned with the secretion of

1. Amylase
2. Protease
3. Lipases
4. Coccon

4. Copulation in Earthworm occurs during

1. Night in water
2. Night in rainy season
3. Night in summer season
4. Day in rainy season

5. Earthworm has

1. Two eyes
2. Many eyes
3. No eyes
4. One eyes

6. Earthworm have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton .It is due to

1. satae
2. gut peristalsis
3. setae
4. coelomic fluid

7. Earthworm helps farmers by

1. Destroying harmful bacteria
2. Destroying harmful and insects
3. Making soil porous and loose
4. Both (a) and (b)

8. Earthworm is placed in the group of

1. Oligochaeta
2. Polychaeta
3. Hirudinea
4. Crustacea

9. Earthworm possesses hearts

1. 6 pairs
2. 4 pairs
3. 2 pairs
4. 1

10. In earthworm fertilization occurs in

1. oviduct
2. water
3. coon
4. Ootheca

11. In Earthworm, genital papillae occur in segments

1. 16 and 17
2. 16 and 18
3. 17 and 19
4. 17 and 18

12. In earthworm, ovary is situated in segment

1. 13
2. 9
3. 10
4. 26

13. Major nitrogenous excertory material of Earthworm by

1. Uric acid
2. Ammonia
3. Urea
4. Amino acids

14. Male genital aperture of earthworms is located in the segment

1. 13
2. 14
3. 19
4. 18

15. Occurrence of Earthworm in soil is indicated is

1. Heaps of small rounded pellets
2. Heaps of dry powder soil
3. Holes
4. Cast skin

16. Region of Earthworm which is forest of nepphridia is

1. Clitellar region
2. Pharyngeal region
3. Typhlosolar region
4. Intestinal reagion

17. Role of typhlosole in the intestine of earthworm is

1. to increase absorptive surface
2. to control flow of blood
3. to produce digestive enzymes
4. to kill bacteria

18. Salivary gland in earthworm is found in

1. pharyngeal wall
2. ventral wall of buccal cavity
3. dorsal wall of buccal cavity
4. none of the above

19. The colour of body in earthworm is brown due to presence of

1. blood
2. haemoglobin
3. haemocyanin
4. porphyrin

20. The colour of the body in earthworm is brown due to the presence of

1. Porphyrin
2. Haemoglobin
3. Blood
4. Haemocyanin

21. The first body segment of earthworm is

1. Peristome
2. Peristomium
3. Protostomium
4. Protostome

22. The mode of respiration in earthworm is

1. Cutaneous
2. Gills
3. Pulmonary
4. Subcutaneous

23. The nephridia of earthworm without nephrostomes are

1. Integumentary
2. Pharyngeal
3. septal
4. both a and c

24. The parasite found in the seminal vesicle of earthworm

1. Monocystis
2. Nosema
3. Sarcocystis
4. Nyctotherus

25. The typhlosole in earthworm is related with

1. Excretion
2. Absorption
3. Respiration
4. Reproduction

26. Which of the following nephridia are not found in earthworm?

1. macro nephridia
2. septal nephridia
3. phayngeal nephridia
4. integumentary nephridia

27. Which one of the following species of earthworm is not recommended for vermicomposting?

1. Eudrilus eugeniae
2. Eisenia fetida
3. Pheretima posthuma
4. Perionyx excavatus